Analysis
- max time kernel
23s - max time network
9s - platform
windows7_x64 - resource
win7v20210410 - submitted
29/04/2021, 10:07
Static task
static1
Behavioral task
behavioral1
Sample
a339a4c8_by_Libranalysis.dll
Resource
win7v20210410
0 signatures
0 seconds
General
- Target a339a4c8_by_Libranalysis.dll
- Size 162KB
- Sample210429-2sarr9phd6
- SHA256 865850e2f1e05c376ae12c4435d2ce0ada38ca17a4d99981d1f10b97205d370d
- MD5 a339a4c80075f55fcd1f5bccdf47409e
- SHA1 4dda3bc513c10e8fb530631e67c01629eb88193a
- SHA512 b0bc46f77cb8ea5b714ae2b179bc251adc31219fd82c81ef8d0900fc3f0e7fe2187614e273baab7ed7d5e29b59e541841ee50bca5112cf18cb5117acd7726f7f
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
-
dridex
Botnet
-
40112
C2
-
107.172.227.10:443
-
172.93.133.123:2303
-
108.168.61.147:8172
rc4.plain
rc4.plain
Signatures
-
resource yara_rule behavioral1/memory/1976-62-0x0000000075220000-0x000000007524E000-memory.dmp dridex_ldr -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 772 wrote to memory of 1976 772 rundll32.exe 25 PID 772 wrote to memory of 1976 772 rundll32.exe 25 PID 772 wrote to memory of 1976 772 rundll32.exe 25 PID 772 wrote to memory of 1976 772 rundll32.exe 25 PID 772 wrote to memory of 1976 772 rundll32.exe 25 PID 772 wrote to memory of 1976 772 rundll32.exe 25 PID 772 wrote to memory of 1976 772 rundll32.exe 25
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a339a4c8_by_Libranalysis.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:772 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a339a4c8_by_Libranalysis.dll,#12⤵
- Checks whether UAC is enabled
PID:1976
-